Vivipary Description Vivipary occurs when seeds inside a ripe fruit sprout and begin to grow. They appear inside the fruit as white straggly stems with a light green cotyledon. In intact tomatoes, the sprouts eventually poke through the skin of the soon-to-decompose fruit. This happens when the abscisic acid hormone (responsible for controlling seed dormancy) diminishes and the seed germinate while still in the fruit. Other contributing factors could include over-ripening or deficiency or abundance of nutrients. Post-harvest conditions that lead to vivipary are warm temperatures and a humid environment.
Management Avoid vivipary by storing freshly picked tomatoes face up near an indirect sunlight source. Keep them at room temperature and avoid stacking them in paper or plastic bags. This will allow the fruits to continue ripening properly and develop good flavor and aroma. If desired, sprouts from vivipary could be carefully transplanted to grow a new plant. They will not be a clone of the mother as it came from a plant’s seed that was pollinated by another tomato flower, introducing new parent genes into the seed that will produce the new plant.
Timing
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Vivipary occurs after harvest.
